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CVE-2018-12478— obs-service-replace_using_package_version allows to specify arbitrary input files

Quick assessment

Affected
openSUSE Open Build Service
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Open Build Service（OBS）是一套通用的、以自动、一致和可重复的方式从源代码构建和分发软件包的系统。 Open Build Service中存在输入验证漏洞。远程攻击者可利用该漏洞从系统中提取文件。

AI Predicted 7.5 Difficulty: Moderate EPSS 1.50% · P72
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I. Basic Information for CVE-2018-12478

Vulnerability Information
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Vulnerability Title
obs-service-replace_using_package_version allows to specify arbitrary input files
Source: CVE Program / CVE List V5
Vulnerability Description
A Improper Input Validation vulnerability in Open Build Service allows remote attackers to extract files from the system where the service runs. Affected releases are openSUSE Open Build Service: status of is unknown.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Open Build Service 输入验证漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Open Build Service（OBS）是一套通用的、以自动、一致和可重复的方式从源代码构建和分发软件包的系统。 Open Build Service中存在输入验证漏洞。远程攻击者可利用该漏洞从系统中提取文件。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
openSUSE Open Build Service unspecified ~ n/a -

II. Public POCs for CVE-2018-12478

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III. Intelligence Information for CVE-2018-12478

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Vendor Advisories for CVE-2018-12478 (1)

Same Patch Batch · openSUSE · 2018-10-09 · 4 CVEs total

CVE-2018-12474 Crafted service parameters allows to induce unexpected behaviour in obs-service-tar_scm
CVE-2018-12477 obs-service-refresh_patches can be tricked into deleting '..' or other unrelated directori
CVE-2018-12479 Request controller allows to create requests with arbitrary request IDs

IV. Related Vulnerabilities

Same product: Open Build Service
Same vendor: openSUSE
Same weakness: CWE-20

V. Comments for CVE-2018-12478

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